North American Network Operators Group
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Re: New Internet-draft on DDOS defense...

  • From: Paul Ferguson
  • Date: Thu May 11 07:49:58 2000 
How is this substantially different than RFC2644, "Changing
the Default for Directed Broadcasts in Routers"?

  http://www.ietf.org/rfc/rfc2644.txt

- paul


At 10:13 PM 05/10/2000 -0600, Vipul Shah wrote:


>Hi All,
>
>I'd like to bring your attention to a recent Internet-draft.  The URL is:
>
>http://www.ietf.org/internet-drafts/draft-vshah-ddos-smurf-00.txt 
>
>This draft proposes a specific (simple) change to RFC1122 which would
>help reduce the use of Smurf amplification in DDOS attacks.  This is
>augments ingress filtering; it is designed specifically for the case
>where the attacker (source) is using broadcast on the local LAN as
>part of a DDOS attack.  This is a case where ingress filtering does
>not help.
>
>We are proposing that it be an addition to the standard set by
>RFC1122.  We'd very much like to hear comments from people on this draft.
>
>Vipul
>
>